Perl Hypertable赋值程序异常

Question

我正在使用Hypertable::ThriftClient，并使用mutator进行大量插入。以下是代码示例：$master、$port和$namespace都已定义。

Table:

show create table users; # Table schema is below

CREATE TABLE GROUP_COMMIT_INTERVAL "100" users (
    'column_name_fake' MAX_VERSIONS 1,
    ACCESS GROUP audience ('column_name_fake'),
)

:hypertable$ SELECT * FROM users limit 1; # displays
2342345 sf_following:1000234
2342346 sf_following:1234234

代码：

my $ht = new Hypertable::ThriftClient($master, $port);
my $ns = $ht->namespace_open($namespace);
my $users_mutator = $ht->mutator_open($ns, 'table_name', 2);

子程序：

sub batch_insert {                                                                       
    my ($ht, $mutator, $column_family, $row, $val) = @_;

    my $keys;                                                                            
    my $cell;                                                                            
    try {                                                                                
        $keys = new Hypertable::ThriftGen::Key({
            row           => $row, 
            column_family => $column_family });

        $cell = new Hypertable::ThriftGen::Cell({key => $keys, value => $val});          
    }                                                                                    
    catch {                                                                              
        warn Dumper({ 'Error' => $_ });                                                  
    };                                                                                    
    $ht->mutator_set_cell($mutator, $cell);                                              
    $ht->mutator_flush($mutator);                                                        
    return 1;                                                                            
}                                                                                                                                                                                 

调用的函数：

for(.....) {    # Just for example
    batch_insert($ht, $users_mutator, '', $fs, "node:$node_u");
}

在这里我得到了一个异常，

 Hypertable::ThriftGen::ClientException=HASH(0x54d7380)

有没有人能解释清楚，为什么？

编辑:为了更清晰，我添加了表结构？

Answer 1

FIX: So, this exception is raised is a required parameter 'column_qualifier' was not
     passed as per the table design. See below:

sub batch_insert {
    my ($ht, $mutator, $cf, $cq, $row, $val) = @_;
    my $keys = new Hypertable::ThriftGen::Key({
        row              => $row, 
        column_family    => $cf, 
        column_qualifier => $cq });

    my $cell = new Hypertable::ThriftGen::Cell({key => $keys, value => $val});
    $ht->mutator_set_cell($mutator, $cell);
    #$ht->mutator_flush($mutator);
}

Calling the above function:
--------------------------
batch_insert($ht, $users_mutator, 'column_family' , 'column_qualifier, 'row_key',  '');

它就像一个护身符一样起作用。如果你遇到类似的问题，请让我知道，我可以帮助你。我花了相当多的时间，阅读关于Thrift api的文章。

Answer 2

ClientException类的定义如下：

异常消息{ 1: i32 ClientException 2: string message }

尝试捕获异常并打印出代码(十六进制)和消息。这应该有助于查明到底发生了什么。